The island of Kauai is the only place in the gorgeous state of Hawaii that has navigable rivers ... trails, and sea caves.

You won’t be able to step ashore—it is Hawaii's “forbidden island ... and sea caves—and possibly some turtles, dolphins, and monk seals. People sometimes joke that Kauai shuts down ...

From humpback whales and spinner dolphins to peaceful sea turtles ... of the island's history and wildlife. Reviewers also appreciate the ability to access multiple sea caves thanks to the ...